World Journal of
Pharmaceutical and Life Sciences

DISTRIBUTION AND ABUNDANCE OF TENUALOSA ILISHA IN PYANMALOT RIVER, AYEYARWADY REGION IN MYANMAR

Khin Swe Mya*, Mu Mu Aung Soe, Lei Lei Oo, Myint Myint Aye, Leik Leik Khaing and Kay Zin Soe

ABSTRACT

Distribution and abundance of Tenualosa ilisha, in Pyanmalot river, Labutta Township, Ayeyarwady region was conducted from December 2017 to July 2018. Pobyae village tract, Kyutaw village tract and Kakayan village tract were designated to the study sites. Sample collection and questionnaire survey as a quick census were done monthly. A total of 5,977 individuals and 5,261 kg of T. ilisha were recorded from three study sites. A total of 3,068 individuals and 3,010 kg of T.ilisha from site III were the highest account in number of individuals and weight (kg) and the lowest account was 1,445 individuals of T. ilisha from site I and 912 kg from site II. A total of 2,802 individuals and 2,348 kg of T. ilisha in January, 2018 were observed as a peak count and 60 individuls and 64 kg were found as a lowest in June, 2018. Water temperature was ranged from 23-24 ?C in December to 27-28 ?C in March and April at all sites. Salinity was 0 ppt and pH value was (6-6.4) in all sites. Hilsa net (drift gill net) of fishing gears were operated in three study sites.

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